Check Engine Light? System Too Lean - Code P0171 or P0174 on Your Car or Truck
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Check Engine Light? System Too Lean - Code P0171 or P0174 on Your Car or Truck
Shop for New Auto Parts at 1AAuto.com https://1aau.to/c-433-k Your check engine light is on, and you got the code P0171 or P0174, "system too lean." That means your vehicle's engine does not have enough fuel for the amount of air it is getting; a lean mixture. An engine running lean can have a negative impact on performance, and can cause ...
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